Colter



UNITED STATES PATENT Frio- KINYON W. MANVARING, OF DE WITT, IOWA.

COLTER..

SPECIFICATION forming part of Letters Patent No. 227,373, dated May 11,1880,

Application filed March 2, 1880.

To all 'whom it may concern:

Be itknown that I, KINYON W. MANWARING, of De Witt, Clinton county, andState of Iowa, have invented a new and useful Improvement inPlow-Colters, of which the following is a specification.

My invention relates to that class of colters known as rolling colters,designed to be employed in connection with plows; and the subject-matterof my invention will be hereinafter more fully described.

In the accompanying drawings, Figure l is an isometrical representationof a colter elnbodying my invention, of which Fig. 2 is a verticalcentral section in a plane parallel to the plow-beam. Fig. 3 is ahorizontal transverse central section of the colter; and Fig. 4 is avertical central section of one of the yoke-arms, connecting with thecolter.

In the figures, a represents a portion of a plow-beam, on which myimproved colter is mounted by means of a clamping-frame, consisting ofthe plates b, suitably separated and supported in such separate positionby connecting-bars c, d, and e, and are perforated, as at f, to receivescrew clamping-bolts g, which, in connection with the clamping-plate h,serve to iix the clamping-frame to the plowbeam in an adjustable manner.The enlarged edge of the connecting-bars c are corrugated vertically, asclearly shown in the drawings, and the connecting-bars d form atransverse slot to receive a clamping-bolt, 7c, to fix thereto, in anadjustable manner, a suitable socket to receive the shaft of the colteryoke center. This clamping device is substantially the saine as a clamppatented to me September 30, 1879, No. 220,161.

At j is represented a colter-yoke socket f1tted with arms k, corrugatedto engage the corrugations in the bar-c of the clamping-frame. It isalso provided with acenter arm, 7c', opened to receive a screwclamping-bolt, 7c, which is passed through a suitable opening, intoposition in the arm, and, by means of a suitable screw-nut, operates tohold the socket to the clamping-frame in an adjustable manner. The lowerend portion of this socket is provided with an annular slot, as at l, ofsuitable dimensions to receive the hook portion l of a screwclamp-collar, l.

(No model.)

At m is represented a colter-yoke shaft of `suit-able size to freelyenter the yoke-socket.

A to the shaft, which vibration may be more or less regulated by therelative length of the annular slot in the socket and thehook on thescrew clamping-collar.

At n is represented a colter-blade, made from steel plate in the usualmanner, and is provided with a center opening to receive a 4tubularshaft, n', fitted with afixed collar, u,

and a screw-nut collar, u', between which the colter-blade is clamped tofix it in position thereon at right angles to the shaftg'but instead ofthe fixed collar a removable collar may be employed. The ends of thetubular shaft are tapered, and are fitted to revolve in correspondingbearin gs o, fitted with a center opening to receive an axialscrew-bolt, 0', one end of which is screw-threaded to engage thescrewthreaded center opening in one of the bearin gs, and the projectingend ofthe axial screw-bolt may be fitted with a check-nut to prevent theaccidental loosening` of the axial bolt. The upper portions ofthese endbearings extend over their lower portions, to operate as a mudband toprevent dust or grit entering the bearings, and by means of the centeraxial bolt a double wearingsurface is provided, the center one of whichis well protected from grit and adds greatly to the durability of thecolter, and by means of its screw thread connection and taper endbearings the joints of the bearings may be kept in close workingcontact. These end bearings are iitted with oil-ducts o", whichcommunicate with the journal-bearing at the end ofthe tubular shaft, bywhich both the inner and outer bearings may be lubricated, and the iiowof the oil will be outward, which will tend to keep the bearings freefrom grit. These bearings of the tubular shaft are provided with arms pat right angles to their shaft-bearings, and are recessed` on theirinner faces to receive the end portions IOO of the yoke-arms 19', andare slotted length- Wise, as at p, to receive clamping-bolts 29', thescrew ends of which enter screw-threaded holes in the arms of the yoketo clamp them in position to the arms of the bearings. By thisarrangement the bearings may be adjustable on the yoke-arms to properlyalign the colter. The upper portion of the yoke is made tubular andreceives the lower end, s, of the yoke-shaft, held in place by aset-screw, s, operating against a key-like bar, s", placed in a grooveformed in the socket of the yoke.

From the foregoing it will be seen that my improved colter` possessesall the features necessary or required to properly adjust the colter inthe following,` manner: lt is capable of adjustment forward or backwardon the beam by means of the clamping-frame. lt is capable of verticaladjustment by means of the screw clamping-collar. Itis capable of adjustment laterally by means of the socket-connection with theclamping-frame. It is capable of `a vertical inclination laterally bymeans of the same connection of the socket with the clamping-frame. Thecolter can be aligned in the yoke by means of the adjustable bearings onthe yoke-arms. By means of the taper bearings and axial bolt thebearings can be kept in close working contact. The action of alubricatin goil will tend to clear grit from the bearings, and theseveral parts are made to be readily removed and new parts substituted.

l claim as my inventionl. The combination, with a clamping-frameprovided with serrated cross-bars, of a yokeshaft socket provided on oneside with serrated faces whichV engagewith the serrated faces on thecross-bars of the clamping frame, said socket formed with a continuoustubular bearing at its upper and lower ends, and a clamping-bolt whichis inserted through a hole in its socket, the head of the bolt seatingin arecess formed on the inner surface of the socket, said boltextending between cross bars on the clamping-frame, and a nut forsecuring the bolt against displacement, substantially as set forth.

2. Thecombination, with a yoke-shaft socket provided with an annularslot, of a clampingcollar provided with a hook to engage the annularslot,.substantially as and for the purpose hereinbefore set forth.

3. The combination, with the 'yokeshaft socket and a yoke-shaft, of ahook clampingcollar, substantially as and for the purpose hereinbeforeset forth.

4. The combination, with a colter and its journals, of journal-bearingsprovided with.

sockets for receiving the ends of the yoke, and adapted to be adjustedforward or backward upon the ends of the yokes, substantially as setforth.

KINYON W. MANVVARING.

Witnesses:

D. ARMENTROUT, AYLETT L. PASCAL.

